Audit Result

Found 12 characters. Keep title between 30 and 60 characters.

Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.

Found 147 characters. Good snippet length.

Canonical link not found.

Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.

Favicon found and reachable: /img/icons/favicon.svg (HTTP 200).

Viewport configured: width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no

No lang attribute on the <html> element.

Fix: Set <html lang="en"> (or the correct locale) for accessibility and search engines.

Found 58 H1 tags.

Fix: Use a single, descriptive <h1> that states the primary purpose of the page.

Valid heading flow across 156 headings.

1 of 122 images are missing alt text.

Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.

Page is served over HTTPS.

2 HTTPS hardening issues detected.

• • Missing Strict-Transport-Security header.
• • Could not probe the HTTP version of this page.

Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

Missing: strict-transport-security, content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

Fix: Add the missing security headers at your reverse proxy or application layer.

Content-Security-Policy header is missing.

• • Missing Content-Security-Policy header.

Fix: Define a restrictive Content-Security-Policy and avoid unsafe directives such as unsafe-inline and unsafe-eval.

No first-party cookies were set during the initial page load.

Versioned headers detected: server.

• • server: Microsoft-IIS/10.0

Fix: Hide or remove version tokens in Server and X-Powered-By headers.

Domain does not appear to be behind Cloudflare.

Loaded in 1.44s (perceived).

1 scripts and 4 styles may block rendering.

• • script: https://kit.fontawesome.com/b7e2d6e483.js
• • style: https://www.gtc.pt/css/splide-core.min.css
• • style: https://www.gtc.pt/css/bulma.css?v=1.27
• • style: https://www.gtc.pt/css/nav-mobile.css?v=1.0
• • style: https://www.gtc.pt/css/overrides.css?v=1.1

Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.

2 text resources look uncompressed.

• • https://trackcmp.net/t_prism_sitemessages.php?trackid=69590032&prismid=96871c1d-8b86-4f49-97c1-a951122f0917&url=https%3A%2F%2Fwww.gtc.pt%2F (text/javascript;charset=UTF-8)
• • https://rules.quantcount.com/rules-p-TnkkYSDfGEUw7.js (application/javascript)

Fix: Enable Brotli or Gzip compression for HTML, CSS, JS, and JSON responses.

Found robots.txt (200).

Sitemap missing or inaccessible at https://www.gtc.pt/sitemap.xml (404).

Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://www.gtc.pt/sitemap.xml

No robots meta tag defined.

Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.

All 2 controls are labeled.

Header, nav, main, and footer landmarks are present.

25 interactive elements appear smaller than 48px.

• • a (Início) - 40x88px
• • a (Mais) - 47x88px
• • a.menu-icon.button (SUPORTE) - 107x30px
• • a.menu-icon.button (CONTACTE-NOS) - 114x30px
• • a - 16x24px
• • a - 15x24px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.is-hidden-mobile.button (Vamos Conversar) - 162x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.is-hidden-mobile.button (Vamos Conversar) - 162x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saiba mais) - 113x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px
• • a.button.is-primary (Saber mais) - 115x40px

Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.

Core Open Graph tags are present.

og:image exists but is not an absolute URL.

Fix: Use an absolute URL in <meta property="og:image">.

twitter:card set to summary_large_image.

No JSON-LD schema scripts found.

Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

Manifest and Apple touch icon are configured.

3 social preview quality issues detected.

• • ISSUE: og:url points to a different origin than the scanned page.
• • ISSUE: og:description should typically be between 50 and 200 characters.
• • ISSUE: Use an absolute URL for og:image or twitter:image.
• • GUIDELINE: Optimal og:title length: 40-60 characters (acceptable: 10-70).
• • GUIDELINE: Optimal og:description length: 110-160 characters (acceptable: 50-200).
• • GUIDELINE: Optimal preview image size: 1200x630 pixels.
• • GUIDELINE: Optimal preview image aspect ratio: 1.91:1.
• • GUIDELINE: Optimal preview image file size: under 5 MB.
• • GUIDELINE: Recommended twitter:card: summary_large_image.

Fix: Use absolute OG/Twitter URLs, keep metadata lengths in recommended ranges, and provide a preview image near 1200x630 under 5MB.

1 internal links returned errors.

• • https://www.gtc.pt/parceiros/parceiros/ (HTTP 500)

Fix: Fix or remove the listed internal URLs, and ensure routes/pages return 200 responses.

No broken external links found in checked URLs.

6 links are empty, invalid, or placeholder-only.

• • href="#" text="Soluções"
• • href="#" text="Parceiros"
• • href="#" text="Mais"
• • href="#" text="Soluções"
• • href="#" text="Parceiros"
• • href="#" text="Mais"

Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.

Largest Contentful Paint: 2.70s.

Fix: Improve LCP by optimizing above-the-fold media, reducing server latency, and inlining critical CSS.

Cumulative Layout Shift: 0.002.

Total Blocking Time estimate: 68ms.

No failed CSS/JS/image/font/media requests detected.

2 JavaScript runtime issues detected.

• • Cannot read properties of null (reading 'addEventListener')
• • [splide] null is invalid.

Fix: Fix JS files returning 404/failed requests and resolve the listed runtime exceptions.